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Lantana canescens (Kunth) inhibits inflammatory and hyperalgesic responses in murine models

Jóyce dos Santos Lencina, Iluska Senna Bonfá Moslaves, Jéssica de Araujo Isaias Muller, Raquel Carvalho, Carolina Amianti, Izadora Bonfim, Flávio Macedo Alves, Carlos Alexandre Carollo, Luciane Candeloro, Antonio Alves dos Santos Júnior, Denise Brentan da Silva, Mônica Cristina Toffoli Kadri*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Ethnopharmacological relevance: Lantana canescens is popularly known in Brazil as “cidreirinha” or “chumbinho-branco”. It is found in Pantanal biome and its flowers and leaves are used in traditional medicine to treat pain and inflammation. Information about this species is limited to the activity of isolated essential oils. Studies with different extracts, composition, and biological properties are still scarce.

Aim of this study: The objective of this study was to evaluate the anti-inflammatory and anti-hyperalgesic activity of the hydroethanolic extract of L. canescens aerial parts.

Materials and methods: The hydroethanolic extract L. canescens aerial parts (HELc) was analyzed using HPLC-DAD-EM. Male and female Swiss mice weighing 18–25 g were used in the in vivo assays. Acute toxicity was assessed (2000 mg/kg); anti-inflammatory activity through paw edema, mast cell degranulation and peritonitis, and anti-hyperalgesic activity through abdominal writhing assays induced by acetic acid and formalin sensitization, were evaluated using the doses of 3, 30 and 300 mg/kg.

Results: The phytochemical characterization of HELc confirmed the presence of glycosylated iridoids (theveside, theviridoside), verbascosides and flavonoids. The HELc did not present toxicity in the evaluated dose. HELc reduced formation of paw edema, degranulation of peritoneal mast cells and infiltration of polymorphonuclear cells into the animals peritoneal cavity. In addition, HELc decreased the number of abdominal writhing induced by acetic acid and the time of paw licking in the evaluation of formalin sensitization.

Conclusions: These results confirm the anti-inflammatory and anti-hyperalgesic effects of hydroethanolic extract of L. canescens, validating the use of this plant in folk medicine.
Original languageEnglish
Article number114461
Pages (from-to)1-10
Number of pages10
JournalJournal of Ethnopharmacology
Volume280
Early online date29 Jul 2021
DOIs
Publication statusPublished - Nov 2021
Externally publishedYes

Keywords

  • Medicinal plants
  • Preclinical assay
  • Pain
  • Inflammation
  • Toxicity

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